| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2018 | 978-1-7326579-0-8 | Sidharth Bathia | Quick Reference Guide For PSM and PSPO: Pass PSM I and PSPO I in your first try. (101 Q & A included) |
| 2019 | 978-1-7326579-7-7 | '' | PSD: Professional Scrum Developer Question Bank and Reference Guide. |